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Arnerich Massena is a boutique investment services firm in Oregon focused on securing the future together for families, participants, and communities. Founded 1991 in Portland, Oregon, United States, this venture capital firm invests in late stage ventures. Its portfolio companies include Vapotherm, Tryton Medical, Accumetrics, Salient Surgical Technologies, and Velocimed. Arnerich Massena & Associates has made eight investments. Their most recent investment was on Nov 24, 2015, when Vapotherm raised $30M. Its most notable exits include Vapotherm, Accumetrics, and Salient Surgical Technologies. The company prefers to invest in high-impact areas like water resources, sustainable agriculture, fishing, healthcare, and clean energy technology.